12942081120 has 48 divisors (see below), whose sum is σ = 40767557040. Its totient is φ = 3451221504.

The previous prime is 12942081109. The next prime is 12942081127. The reversal of 12942081120 is 2118024921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12942081127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13480855 + ... + 13481814.

It is an arithmetic number, because the mean of its divisors is an integer number (849324105).

Almost surely, 2^12942081120 is an apocalyptic number.

12942081120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12942081120 is an abundant number, since it is smaller than the sum of its proper divisors (27825475920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12942081120 is a wasteful number, since it uses less digits than its factorization.

12942081120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26962687 (or 26962679 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 12942081120 in words is "twelve billion, nine hundred forty-two million, eighty-one thousand, one hundred twenty".